Home / 2,572.83-3,853.78-2,392.40

Finding the Fourth Proportional to 2,572.83, 3,853.78 and 2,392.40

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Solution

The fourth proportional to 2,572.83, 3,853.78 and 2,392.40 is: 3,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.83 : 3,853.78 = 2,392.40 : x
  2. Step 2: Convert to fraction form
    2,572.83/3,853.78 = 2,392.40/x
  3. Step 3: Cross multiply
    2,572.83x = 3,853.78 × 2,392.40
  4. Step 4: Simplify right side
    2,572.83x = 9,219,786.93
  5. Step 5: Solve for x
    x = 9,219,786.93/2,572.83
  6. Step 6: Final answer
    x = 3,583.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.